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Fix for BUG#29318 "Statements prepared with PREPARE and with one

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parameter don't use query cache"
Thanks to the fix of BUG#26842, statements prepared with SQL PREPARE
and having parameters can now use the query cache.
This commit is contained in:
guilhem@gbichot3.local
2007-06-23 19:16:51 +02:00
parent 8b8b44151c
commit fa1276e4a1
4 changed files with 212 additions and 190 deletions
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12
sql/sql_prepare.cc
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@ -2922,18 +2922,6 @@ bool Prepared_statement::prepare(const char *packet, uint packet_len)
thd->restore_backup_statement(this, &stmt_backup);
thd->stmt_arena= old_stmt_arena;
if ((protocol->type() == Protocol::PROTOCOL_TEXT) && (param_count > 0))
{
/*
This is a mysql_sql_stmt_prepare(); query expansion will insert user
variable references, and user variables are uncacheable, thus we have to
mark this statement as uncacheable.
This has to be done before setup_set_params(), as it may make expansion
unneeded.
*/
lex->safe_to_cache_query= FALSE;
}
if (error == 0)
{
setup_set_params();